arm,coresight-static-funnel.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/arm/arm,coresight-static-funnel.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Arm CoreSight Static Trace Bus Funnel
    8 
    9 maintainers:
   10   - Mathieu Poirier <mathieu.poirier@linaro.org>
   11   - Mike Leach <mike.leach@linaro.org>
   12   - Leo Yan <leo.yan@linaro.org>
   13   - Suzuki K Poulose <suzuki.poulose@arm.com>
   14 
   15 description: |
   16   CoreSight components are compliant with the ARM CoreSight architecture
   17   specification and can be connected in various topologies to suit a particular
   18   SoCs tracing needs. These trace components can generally be classified as
   19   sinks, links and sources. Trace data produced by one or more sources flows
   20   through the intermediate links connecting the source to the currently selected
   21   sink.
   22 
   23   The Coresight static funnel merges 2-8 trace sources into a single trace
   24   stream.
   25 
   26 properties:
   27   compatible:
   28     const: arm,coresight-static-funnel
   29 
   30   in-ports:
   31     $ref: /schemas/graph.yaml#/properties/ports
   32 
   33     patternProperties:
   34       '^port@[0-7]$':
   35         description: Input connections from CoreSight Trace bus
   36         $ref: /schemas/graph.yaml#/properties/port
   37 
   38   out-ports:
   39     $ref: /schemas/graph.yaml#/properties/ports
   40     additionalProperties: false
   41 
   42     properties:
   43       port:
   44         description: Output connection to CoreSight Trace bus
   45         $ref: /schemas/graph.yaml#/properties/port
   46 
   47 required:
   48   - compatible
   49   - in-ports
   50   - out-ports
   51 
   52 additionalProperties: false
   53 
   54 examples:
   55   - |
   56     funnel {
   57         /*
   58          * non-configurable replicators don't show up on the
   59          * AMBA bus.  As such no need to add "arm,primecell".
   60          */
   61         compatible = "arm,coresight-static-funnel";
   62 
   63         out-ports {
   64             port {
   65                 combo_funnel_out: endpoint {
   66                     remote-endpoint = <&top_funnel_in>;
   67                 };
   68             };
   69         };
   70 
   71         in-ports {
   72             #address-cells = <1>;
   73             #size-cells = <0>;
   74 
   75             port@0 {
   76                 reg = <0>;
   77                 combo_funnel_in0: endpoint {
   78                     remote-endpoint = <&cluster0_etf_out>;
   79                 };
   80             };
   81 
   82             port@1 {
   83                 reg = <1>;
   84                 combo_funnel_in1: endpoint {
   85                     remote-endpoint = <&cluster1_etf_out>;
   86                 };
   87             };
   88         };
   89     };
   90 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/arm/arm,coresight-static-funnel.yaml

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sys/contrib/device-tree/Bindings/arm/arm,coresight-static-funnel.yaml